Longer battery life - courtesy of Ivy Bridge. Samsung's Series 9 top-of-the-line model delights us again with its unibody construction and perfectly executed input devices. The new processor allows for longer run times on battery. The HD+ display remains unchanged.

John Ratsey

I thought the display code SEC was Samsung Electronics. After all, my NP900X3B has the SEC0100 panel and that is Samsung PLS. Also, the X4C resolution is 1600 x 900 not 1366 x 768 as shown in the summary specifications.